1ca987d46SWarner Losh /*-
2ca987d46SWarner Losh * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3ca987d46SWarner Losh * All rights reserved.
4ca987d46SWarner Losh *
5ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without
6ca987d46SWarner Losh * modification, are permitted provided that the following conditions
7ca987d46SWarner Losh * are met:
8ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright
9ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer.
10ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright
11ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the
12ca987d46SWarner Losh * documentation and/or other materials provided with the distribution.
13ca987d46SWarner Losh *
14ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24ca987d46SWarner Losh * SUCH DAMAGE.
25ca987d46SWarner Losh */
26ca987d46SWarner Losh
27ca987d46SWarner Losh #include <stand.h>
28ca987d46SWarner Losh #include <sys/param.h>
29ca987d46SWarner Losh #include <sys/reboot.h>
30ca987d46SWarner Losh #include <sys/linker.h>
31ca987d46SWarner Losh #include <machine/pc/bios.h>
32ca987d46SWarner Losh #include <machine/metadata.h>
33ca987d46SWarner Losh
34ca987d46SWarner Losh #include "bootstrap.h"
35ca987d46SWarner Losh #include "libuserboot.h"
36ca987d46SWarner Losh
37ca987d46SWarner Losh #define GB (1024UL * 1024 * 1024)
38ca987d46SWarner Losh
39ca987d46SWarner Losh void
bios_addsmapdata(struct preloaded_file * kfp)40ca987d46SWarner Losh bios_addsmapdata(struct preloaded_file *kfp)
41ca987d46SWarner Losh {
42ca987d46SWarner Losh uint64_t lowmem, highmem;
43ca987d46SWarner Losh int smapnum, len;
44ca987d46SWarner Losh struct bios_smap smap[3], *sm;
45ca987d46SWarner Losh
46ca987d46SWarner Losh CALLBACK(getmem, &lowmem, &highmem);
47ca987d46SWarner Losh
48ca987d46SWarner Losh sm = &smap[0];
49ca987d46SWarner Losh
50ca987d46SWarner Losh sm->base = 0; /* base memory */
51ca987d46SWarner Losh sm->length = 640 * 1024;
52ca987d46SWarner Losh sm->type = SMAP_TYPE_MEMORY;
53ca987d46SWarner Losh sm++;
54ca987d46SWarner Losh
55ca987d46SWarner Losh sm->base = 0x100000; /* extended memory */
56ca987d46SWarner Losh sm->length = lowmem - 0x100000;
57ca987d46SWarner Losh sm->type = SMAP_TYPE_MEMORY;
58ca987d46SWarner Losh sm++;
59ca987d46SWarner Losh
60ca987d46SWarner Losh smapnum = 2;
61ca987d46SWarner Losh
62ca987d46SWarner Losh if (highmem != 0) {
63ca987d46SWarner Losh sm->base = 4 * GB;
64ca987d46SWarner Losh sm->length = highmem;
65ca987d46SWarner Losh sm->type = SMAP_TYPE_MEMORY;
66ca987d46SWarner Losh smapnum++;
67ca987d46SWarner Losh }
68ca987d46SWarner Losh
69ca987d46SWarner Losh len = smapnum * sizeof(struct bios_smap);
70ca987d46SWarner Losh file_addmetadata(kfp, MODINFOMD_SMAP, len, &smap[0]);
71ca987d46SWarner Losh }
72